\psset{lightsrc=50 10 -20}
\psset{viewpoint=50 90 -20 rtp2xyz,Decran=100}
\begin{pspicture*}(-7,-2)(7,10)
\psframe*(-7,-2)(7,10)
%\psSolid[object=grille,base=-4 4 -4 4,action=draw**,ngrid=4,linecolor=red]%
\psSolid[object=new,RotX=90,RotZ=90,hue=0.6 1 0.5 1,hollow,incolor=yellow!50,
    sommets= (sommets_shu.dat) run,linewidth=0.5\pslinewidth,
    faces={(faces_shu.dat) run}]%
\end{pspicture*}